Monacor SP-25A/250PAM
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 73 Hz |
| Qts | 0.31 |
| Qes | 0.33 |
| Qms | 5.03 |
| Vas | 23 L |
| Sd | 350 cm² |
| Xmax | 1.5 mm |
| Re | 5.5 Ω |
| Bl | 16.5 T·m |
| Mms | 35.5 g |
| Pe | 250 W |
| Sensitivity | 97.9 dB |
Alignment hint
| EBP | 221 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 5.5 L |
EBP > 100: favours a ported (bass-reflex) alignment.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Substitute candidates
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| LaVoce WAF102.50A | 71 -2 | 0.311 = | 23.6 +0.6 | 3.2 +1.7 | 97.7 -0.2 | close | + | |
| B&C 10 CXN 64 | 68 -5 | 0.312 = | 23 = | 3.5 +2 | 96.9 -1 | close | + | |
| Oberton 10M250 | 76.65 +3.65 | 0.28 -0.03 | 23.05 +0.05 | 2.75 +1.25 | 97 -0.9 | close | + | |
| ATC PA50-234 8 STD LS | 68 -5 | 0.328 +0.02 | 26 +3 | 1.6 +0.1 | 96.4 -1.5 | close | 50 W vs 250 W: lower power handling | + |
| RCF MB 10G251 | 76 +3 | 0.335 +0.03 | 24 +1 | 3.5 +2 | 98.6 +0.7 | close | + | |
| Fane STUDIO 10M | 73 = | 0.34 +0.03 | 27.2 +4.2 | 3.1 +1.6 | 97.9 = | close | + | |
| JBL 2123H | 75 +2 | 0.27 -0.04 | 25 +2 | 2.5 +1 | 97.4 -0.5 | close | 6 Ω vs 8 Ω: amp load changes · 125 W vs 250 W: lower power handling | + |
| ATC PA75-234 STD | 78 +5 | 0.315 +0.01 | 17 -6 | 1.6 +0.1 | 97.2 -0.7 | close | 75 W vs 250 W: lower power handling | + |
| B&C 10CXN64 | 68 -5 | 0.31 = | 23 = | 5.5 +4 | 95.2 -2.7 | close | + | |
| LaVoce WAN103.01-16 | 70 -3 | 0.28 -0.03 | 21.5 -1.5 | 5 +3.5 | 98 +0.1 | close | 16 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the SP-25A/250PAM →
Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.
Used in enclosures (0)
No enclosure in the catalog uses this driver yet.